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3113242020 = 223357839923
BaseRepresentation
bin1011100110010000…
…0100110110100100
322000222010002012000
42321210010312210
522333442221040
61232531325300
7140102056230
oct27144046644
98028102160
103113242020
111358386899
1272a750830
133a7cb3455
142176835c0
151334b2130
hexb9904da4

3113242020 has 192 divisors, whose sum is σ = 11203799040. Its totient is φ = 702953856.

The previous prime is 3113242007. The next prime is 3113242021. The reversal of 3113242020 is 202423113.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3113241984 and 3113242002.

It is not an unprimeable number, because it can be changed into a prime (3113242021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 308779 + ... + 318701.

It is an arithmetic number, because the mean of its divisors is an integer number (58353120).

Almost surely, 23113242020 is an apocalyptic number.

3113242020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3113242020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5601899520).

3113242020 is an abundant number, since it is smaller than the sum of its proper divisors (8090557020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3113242020 is a wasteful number, since it uses less digits than its factorization.

3113242020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10031 (or 10023 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 3113242020 is about 55796.4337570064. The cubic root of 3113242020 is about 1460.1729356670.

Adding to 3113242020 its reverse (202423113), we get a palindrome (3315665133).

It can be divided in two parts, 311 and 3242020, that added together give a triangular number (3242331 = T2546).

The spelling of 3113242020 in words is "three billion, one hundred thirteen million, two hundred forty-two thousand, twenty".